USA Today (June 6, 2000) gave information on seat belt usage by gender. The proportions in the following table are based on a survey of a large number of adult men and women in the United States:

Assume that these proportions are representative of adults in the United States and that a U. S. adult is selected at random.
a. What is the probability that the selected adult regularly uses a seat belt?
b. What is the probability that the selected adult regularly uses a seat belt, given that the individual selected is male?
c. What is the probability that the selected adult does not use a seat belt regularly, given that the selected individual is female?
d. What is the probability that the selected individual is female, given that the selected individual does not use a seat belt regularly?
e. Are the probabilities from Parts (c) and (d) equal? Write a couple of sentences explaining why or why not.

Transcribed Image Text:

Male Female Uses Seat Belts Regularly 0.10 0.175 Does Not Use Seat Belts Regularly 0.40 0.325